Vermont avoids New England’s big year for EEE

Southern New England had a big year for Eastern Equine Encephalitis in 2019. There were 20 reported human cases of the EEE virus (EEEv) in Massachusetts, Connecticut, and Rhode Island with nine deaths. This is the most cases in a decade including the last outbreak year of 2012. To the east and west of Vermont, New Hampshire and New York had no human cases of EEEv, but dozens of mosquito samples were positive for EEEv. Vermont did not have any human cases of EEEv in 2019, and no EEEv was found in 3217 samples of mosquitoes tested.

The risk from Eastern Equine Encephalitis in Massachusetts in September at the height of the season. The risk is derived from the number of mosquito pools testing positive for EEEv and other factors. Two towns on the Vermont border (upper left) had positive pools, but no EEEv-positive mosquitoes were found in Vermont.
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Summary of the Arrowwood Environmental report on bats

The Vermont Endangered Species Committee is currently evaluating a report about the potential harm to bats from the roadside spraying done in the BLSG Insect Control District. The report from Arrowwood Environmental is 19 pages long and details the science that suggests BLSG’s pesticides could harm or kill several species of bats on Vermont’s endangered species list. The report lists 70 scientific and agency references supporting its arguments and conclusions. Below is a summary of some of the main arguments in the report.

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